ArticleThe world journal of men's health2026
Age Disparity in Couples Seeking First Medical Help for Infertility Has Changed Over the Last Twenty Years: A Socio-Demographic Analysis.
Article in The world journal of men's health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeEpidemiological studies have suggested that men are usually coupled with younger women. Parental age at first child have steadily increased over last decades. Accordingly, the age gap within partners has changed in the real-life setting over the same time frame. To analyze differences in partners' age (delta [Δ] age [M-F]) over a 20-year time frame among 1,605 men and their partners, seeking medical help for primary couple's infertility at a single center (2005-2024). MATERIALS AND
methodsPartners' age was recorded, Δage was calculated. Comorbidities were scored with Charlson Comorbidity Index (CCI). Educational status was recorded. Sexual dysfunctions were self-reported for all male patients. Descriptive statistics and linear regression analyses were applied.
resultsMedian (interquartile range) patient's and partner's age were 37 (34-41) and 34 (31-37) years. Median Δage was 3 (0-6) years. Δage decreased by 1 point for each decade, being similar between 2005-2010 and 2011-2015, then decreasing from 2016-2020 to 2011-2015 and from 2021-2024 to 2011-2015 (all p<0.01). Similar values were found between 2021-2024 and 2016-2020, suggesting 2015 as a cutoff after which Δage decreased compared to earlier years, thus remaining afterwards stable. Δage change was related to increasing age bands of the female partner since male age was similar across the time frame. Men with low education status, with CCI ≥1 and with sedentary lifestyle had higher Δage (all p<0.01). Infertile men who self-reported erectile dysfunction had higher Δage than those with normal erectile function (p=0.01).
conclusionsIn infertile couples, age-difference relationships decreased over time due to female ageing at first parenthood. Greater Δage was linked to lower education, higher comorbidities, and a sedentary lifestyle in male partners. Erectile dysfunction was more common in couples with higher Δage.
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